3M 08323 Factory-Match Seam Sealer, Two-Part Urethane, 200 mL Cartridge

3M 08323 Factory-Match Seam Sealer, Two-Part Urethane, 200 mL Cartridge

• 3M 08323 Factory-Match Seam Sealer is a two-part urethane seam sealer in a self-mixing dual-cartridge, engineered for durable, flexible sealing of door skins and factory seams on primed or painted metal surfaces.
• Features:
  • Dual-syringe cartridge ensures accurate mix ratio and eliminates manual mixing mess for consistent performance
  • Medium-to-high viscosity formula flows slightly and softens at edges—creating OEM-style rounded appearance without tooling
  • Fast-curing—becomes tack-free in about ten minutes and can be top-coated in approximately forty-five minutes for efficient workflow
  • Non-sag consistency performs well on vertical applications without dripping
  • Flexible, tough urethane resists shrinking, cracking, and maintains adhesion under stress
• Specifications:
  • Adhesive Type: Urethane
  • Applications: Door Skins, Floor Pans, Rear Body Panels, Rocker Panels
  • Brand: 3M
  • Color Family: Black
  • Consistency: Liquid
  • Container Size (Imperial): 6.75 fl oz (US)
  • Container Size (Metric): 200 ml
  • Container Type: Cartridge
  • Full Cure Time: 4 hr
  • Product Color: Black
  • Shelf Life in Months (From Date of Manufacture): 12
  • Surface Type: Painted Surface
  • Work Time: approx. 10 minutes
  • Mix Nozzle Dwell Time: approx. 6 minutes
  • Cure Time: approx. 4 hours
  • Paint Time: approx. 45 minutes
  • Part Number 08323, 3M ID 60455030563, UPC 051135083239
• The Factory-Match Seam Sealer can also be referred to as automotive seam sealer, OEM-match seam sealer, self-mixing seam sealer, non-sag seam sealer, and fast-cure seam sealer.

The 3M 08323 Factory-Match Seam Sealer delivers professional-grade, OEM-matching results with fast curing and durable flexibility. Its precise dual-cartridge system and self-smoothing properties make it ideal for efficient and accurate automotive seam sealing.

Q: How long before I can paint over the sealer?
A: The seam sealer becomes tack-free in about ten minutes and top coating can be applied in approximately forty-five minutes under normal conditions (about 70 °F / 21 °C).

Q: Does it sag when applied vertically?
A: No—this sealer features a non-sag consistency that resists dripping or sagging on vertical seams, ensuring clean and tidy application.

Q: What applicators and nozzles are recommended?
A: Use 3M applicators such as PN 08117 (manual), PN 08571 (manual), or PN 09930 (pneumatic). For bead application, use mix nozzles PN 08193 (6 per bag) or PN 08194 (50 per box), and OEM sealer tips PN 08201–08205.